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Effects of nonlinearity in wave propagation in multicomponent Bose-Einstein condensates
I. E. Mazets, E. V. Orlenko, B. G. Matisov
We consider a spinor Bose-Einstein condensate in its polar ground state. We analyze magnetization waves of a finite amplitude and show that their nonlinear coupling to the density…
Waves on an interface between two phase-separated Bose-Einstein condensates
I. E. Mazets
We examine waves localized near a boundary between two weakly segregated Bose-Einstein condensates. In the case of a wavelength of order of or larger than the thickness of the over…
Cold Bose gases with large scattering lengths
S. Cowell, H. Heiselberg, I. E. Mazets +3
We calculate the energy and condensate fraction for a dense system of bosons interacting through an attractive short range interaction with positive s-wave scattering length . A…
Collective Excitations of a "Gravitationally" Self-Bound Bose Gas
S. Giovanazzi, G. Kurizki, I. E. Mazets +1
We investigate the collective excitations of an atomic Bose-Einstein condensate in the self-binding regime produced by electromagnetically induced ``gravity'' (1/r attraction). Ana…